Home / 2,358.57-3,539.75-1,385.49

Finding the Fourth Proportional to 2,358.57, 3,539.75 and 1,385.49

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Solution

The fourth proportional to 2,358.57, 3,539.75 and 1,385.49 is: 2,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.57 : 3,539.75 = 1,385.49 : x
  2. Step 2: Convert to fraction form
    2,358.57/3,539.75 = 1,385.49/x
  3. Step 3: Cross multiply
    2,358.57x = 3,539.75 × 1,385.49
  4. Step 4: Simplify right side
    2,358.57x = 4,904,281.30
  5. Step 5: Solve for x
    x = 4,904,281.30/2,358.57
  6. Step 6: Final answer
    x = 2,079.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.